FDMT's three largest insider shareholders as of August 29, 2026 are Global Investors Lp Viking (TenPercentOwner, 4.25Mn shares), David Kirn (Director, 844.89K shares), Partners L P/Il Bvf (Other, 87.91K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Global Investors Lp Viking | TenPercentOwner | 0 | 4,247,914 | 4,247,914 | 80.3% | 05 Jan, 2024 |
| 2 | David Kirn | Director, Officer | 844,895 | 0 | 844,895 | 16.0% | 05 Aug, 2026 |
| 3 | Partners L P/Il Bvf | Other | 87,911 | 0 | 87,911 | 1.7% | 13 Nov, 2024 |
| 4 | Ashoo Gupta | Vp, Finance And Controller | 47,055 | 0 | 47,055 | 0.9% | 24 Mar, 2026 |
| 5 | Charles Theuer | Director | 41,684 | 0 | 41,684 | 0.8% | 16 Dec, 2025 |
| 6 | August J Moretti | Chief Financial Officer | 11,045 | 0 | 11,045 | 0.2% | 16 May, 2023 |
| 7 | Scott Bizily | Chief Legal Officer | 8,617 | 0 | 8,617 | 0.2% | 17 Aug, 2026 |
| 8 | Robert Young Kim | Chief Medical Officer | 1,043 | 0 | 1,043 | 0.0% | 07 Feb, 2024 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 13 Aug, 2026 | Scott Bizily | Chief Legal Officer | Acquired M | 1,635 | $4.14 | $6.77K | 10,252 | Direct |
| 13 Aug, 2026 | Scott Bizily | Chief Legal Officer | Disposed S | 1,635 | $12.00 | $19.62K | 8,617 | Direct |
| 17 Aug, 2026 | Scott Bizily | Chief Legal Officer | Acquired M | 1,635 | $4.14 | $6.77K | 10,252 | Direct |
| 17 Aug, 2026 | Scott Bizily | Chief Legal Officer | Disposed S | 1,635 | $12.20 | $19.95K | 8,617 | Direct |
| 13 Aug, 2026 | Scott Bizily | Chief Legal Officer | Disposed M | 1,635 | $0.00 | $0 | 61,336 | Direct |
| 17 Aug, 2026 | Scott Bizily | Chief Legal Officer | Disposed M | 1,635 | $0.00 | $0 | 59,701 | Direct |
| 04 Aug, 2026 | David Kirn | Director, Officer | Disposed S | 26,842 | $10.23 | $274.60K | 844,895 | Direct |
| 03 Aug, 2026 | David Kirn | Director, Officer | Disposed S | 12,415 | $10.05 | $124.72K | 871,737 | Direct |
| 09 Jul, 2026 | David Kirn | Director, Officer | Disposed S | 42,608 | $12.87 | $548.18K | 899,877 | Direct |
| 10 Jul, 2026 | David Kirn | Director, Officer | Disposed S | 15,283 | $12.01 | $183.56K | 884,594 | Direct |
| 10 Jul, 2026 | David Kirn | Director, Officer | Disposed S | 442 | $12.84 | $5.67K | 884,152 | Direct |
| 30 Jun, 2026 | Scott Bizily | Chief Legal Officer | Acquired M | 814 | $4.14 | $3.37K | 9,431 | Direct |
| 30 Jun, 2026 | Scott Bizily | Chief Legal Officer | Acquired M | 5,752 | $6.49 | $37.33K | 15,183 | Direct |
| 30 Jun, 2026 | Scott Bizily | Chief Legal Officer | Disposed S | 6,566 | $14.00 | $91.92K | 8,617 | Direct |
| 30 Jun, 2026 | Scott Bizily | Chief Legal Officer | Disposed M | 814 | $0.00 | $0 | 62,971 | Direct |
| 30 Jun, 2026 | Scott Bizily | Chief Legal Officer | Disposed M | 5,752 | $0.00 | $0 | 3,543 | Direct |
| 23 Jun, 2026 | Scott Bizily | Chief Legal Officer | Acquired M | 9,810 | $4.14 | $40.61K | 18,427 | Direct |
| 23 Jun, 2026 | Scott Bizily | Chief Legal Officer | Disposed S | 9,810 | $12.00 | $117.72K | 8,617 | Direct |
| 23 Jun, 2026 | Scott Bizily | Chief Legal Officer | Disposed M | 9,810 | $0.00 | $0 | 63,785 | Direct |
| 22 Jun, 2026 | David Kirn | Director, Officer | Disposed S | 114,746 | $10.47 | $1.20Mn | 942,485 | Direct |